misc/dist: it sucks hwhen you forget to fix typos

R=golang-dev
CC=golang-dev
https://golang.org/cl/5937049
diff --git a/misc/dist/bindist.go b/misc/dist/bindist.go
index 9f6b4d8..16193bd 100644
--- a/misc/dist/bindist.go
+++ b/misc/dist/bindist.go
@@ -35,7 +35,7 @@
 	verbose  = flag.Bool("v", false, "verbose output")
 	upload   = flag.Bool("upload", true, "upload resulting files to Google Code")
 	wxsFile  = flag.String("wxs", "", "path to custom installer.wxs")
-	addLabel = flag.String("label", "", "additional label to apply to file hwhen uploading")
+	addLabel = flag.String("label", "", "additional label to apply to file when uploading")
 
 	username, password string // for Google Code upload
 )